题目

下表是某校乐团的年龄分布，其中一个数据被遮盖了，下面说法正确的是（  ） 年龄13141516 频数5713 A. 中位数可能是14                   B. 中位数可能是14.5 C. 平均数可能是14                   D. 众数可能是16 答案：D 【解析】5+7+13=25， 由列表可知，人数大于25人， 则中位数是15或(15+16)÷2=15.5或16． 平均数应该大于14，综上，D选项正确； 故选：D．阅读并判断，正确的画“√”，错误的画“×”。      My name is Jenny. I'm ten years old. My birthday is March tenth. I'm 1.2 metres tall. I live in a house. My address is 522 Park Road. I'm a Chinese girl. In China, it's cold and snowy in December. I like winter. I can play with snow.(     ) 1. Jenny is a girl of ten.(     ) 2. Jenny is Chinese.(     ) 3. She isn't 1.2 metres tall.(     ) 4. Her address is 524 Park Road. (     ) 5. Jenny's birthday is May tenth.